Engineering - December 2006

2006-12-01 21:08:34 · 3 answers · asked by Anonymous

full details about Amniocintesis.

2006-12-01 21:02:26 · 3 answers · asked by anu 1

2006-12-01 20:41:04 · 7 answers · asked by julie b 1

lot of birds are rounding our roof

2006-12-01 20:14:24 · 2 answers · asked by jaganmohan.Po 1

In telecomunication engineering : Why is it that shortwave is clerly in the morning and night and noisely at afternoon?
Answer me with reference into details.

2006-12-01 20:00:56 · 3 answers · asked by AUSTING P 1

2006-12-01 19:53:11 · 1 answers · asked by vikas g 1

2006-12-01 18:54:38 · 11 answers · asked by Anonymous

why and when we use fan?

2006-12-01 17:23:25 · 2 answers · asked by alexman96100 1

for this a double sided pcb is with myself .
in brief i want to know about the total process of PTH PCB MANUFACTURING.

2006-12-01 16:26:29 · 4 answers · asked by vinod t 1

2006-12-01 16:18:11 · 15 answers · asked by KU 4

2006-12-01 16:17:55 · 2 answers · asked by M N 1

may i know what different of this 3 thyristor firing circuit:
1)short pulse
2)pulse-train generator
3)long pulse

thanks for answer^_^

2006-12-01 15:11:26 · 3 answers · asked by weisandan 1

2006-12-01 15:01:54 · 2 answers · asked by ShrinkBags??? 1

2006-12-01 14:58:19 · 1 answers · asked by s_emami_m 1

2006-12-01 14:53:07 · 2 answers · asked by *yawn* 2

We're developing a wireless product (one component is fixed and another component is mobile) that has to perform at high speeds. Do you have any suggestions on how to move a mobile component (size and weight of a match-box) at speeds of 160mph next to the (i.e. ~10ft away from) fixed component in order to perform some tests? For example, driving a speedy car at a specific place (I'm in San Francisco area), or using some other method?

2006-12-01 14:44:50 · 7 answers · asked by cocobean 1

Stuck on some homework and I have a test Wednesday!

F(s)=L{f(t)}
f(t) is a piecewise continuous and of exponential order [0,infinity)

I need to show that...
L{(integral from 0 to t)f(x)dx}=(1/s)F(s)

I'm given a hint to let g(t)=(integral from 0-infinity)f(t))dt and that g'(t)=f(t). Then I'm told to use L{f'(t)}=sL{f(t)}-f(0).

Any help is greatly appreciated! Thanks!

2006-12-01 14:07:19 · 2 answers · asked by jennytkd13 3

Where might I find technical drawings in sufficient detail to facilitate the fabrication of a working replica of the Antikythera Mechanism?

2006-12-01 14:01:54 · 3 answers · asked by Euclid 1

2006-12-01 13:09:00 · 2 answers · asked by Anonymous

Xc = _1_
piefC

Capacitive Reactance (Xc) in Ohms
Frequency (f) in Hz
Capacitance (C) in Farads in a electrical circuit
Taking 2pie as equal to 6.284

a) how i make 'f' the subject?

b) how do i calculate f when Xc = 318.47 Ohms, C = 1uF (equivalent to 1x10exp-6F)

im really stuck :(

2006-12-01 13:05:09 · 4 answers · asked by Anonymous

A cylinderical shaped metal rod is used to conduct heat. When the temperature at one end is 100 degree Celsius and at the other end is 20 degree Celsius, heat is transferred at a rate of 16 J/s. The rod is then stretched uniformly to twice its original length. If again it has ends at 100 degree Celsius and 20 degree Celsius, at what rate will heat be transferred between it ends?

The answers that are given to me are:
4 J/s
8 J/s
32 J/s
2 J/s
64 J/s
16 J/s
1 J/s

2006-12-01 12:36:41 · 2 answers · asked by mastersource2005 5

2006-12-01 12:19:52 · 4 answers · asked by Anonymous

2006-12-01 12:17:56 · 6 answers · asked by Anonymous

2006-12-01 12:02:52 · 3 answers · asked by Anonymous

2006-12-01 11:51:02 · 4 answers · asked by Anonymous

2006-12-01 11:50:04 · 4 answers · asked by Anonymous

I gather it's because the arm rails are connected to a different system than the stairs are. However why would the escalator be designed in this way in the first place. Why not connect the two systems so both the stairs and the arm rail move at the same pace?

2006-12-01 11:24:08 · 2 answers · asked by smolocco 1

If a GPS receiver is connected to a remote antenna, is the position reported to be the location of the receiver or the location of the remote antenna?

2006-12-01 11:20:51 · 3 answers · asked by Mark 1

There is an estate where the man had a lot of scientific equipment such as hundreds of industrial grade thermometers originally purchased for $5 to $10 a piece - a laser used in hospitals for surgery - various chemical analaysis machines (most circa early 90's)

2006-12-01 11:12:01 · 6 answers · asked by Christopher McGregor 3

I Need Alot of help for my statics homewrok

2006-12-01 10:41:13 · 1 answers · asked by Blah 2